#include <bits/stdc++.h>

using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
const int nx=100002;
vector < int > v[nx];
int n,m,s,dist[nx],i,j;
void bfs (int start)
{
    queue < int > q;
    q.push(start);
    dist[start]=1;
    while(!q.empty())
    {
        int i=q.front();
        q.pop();
        for(vector < int > :: iterator it=v[i].begin(); it!=v[i].end(); it++)
            if(dist[*it]==0 || dist[*it]>dist[i]+1)
            {
                dist[*it]=dist[i]+1;
                q.push(*it);
            }
    }
    for(int i=1; i<=n; i++)
        out<<dist[i]-1<<' ';
}
int main()
{
    in>>n>>m>>s;
    for(;m;m--)
    {
        in>>i>>j;
        v[i].push_back(j);
    }
    bfs(s);
    return 0;
}